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History

Doctor-7 was an evil sorcerer and the arch-enemy of the supernatural sleuth Mark Merlin. By using his magical powers, he created a formula (with Radium) which enabled an evil ally named Morloo to remain on Earth, but the results were only temporary.

Shortly after their last battle,[1] Mark Merlin was killed in another dimension,[2] and perhaps with his nemesis finally dead, Doctor-7 has not been seen since.

Notes

This version of Doctor Seven (Earth-One), including all history and corresponding appearances, was initially erased from existence following the collapse of the original Multiverse in the 1985-86 Crisis on Infinite Earths limited series. However the ending of Convergence retroactively prevented that collapse, saving all the alternate realities, though in an "evolved" form. Even though versions of the character may have since appeared, this information does not apply to those versions.